Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Millerite from
Oakdale Colliery, Oakdale, Caerphilly, Wales, UK


Locality type:Colliery
Classification
Species:Millerite
Formula:NiS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Millerite data
Locality Data:Click here to view Oakdale Colliery, Oakdale, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:68339
Long-form Identifier:1:3:68339:9
GUID (UUID V4):0
Nearest other occurrences of Millerite
4.0km (2.5 miles) ⓘMarkham Colliery, Markham, Caerphilly, Wales, UK
4.1km (2.6 miles) ⓘBargoed Colliery, Bargoed, Caerphilly, Wales, UK
5.3km (3.3 miles) ⓘMarine Colliery, Cwm, Blaenau Gwent, Wales, UK
5.9km (3.7 miles) ⓘWyllie Colliery, Wyllie, Caerphilly, Wales, UK
7.3km (4.5 miles) ⓘPenallta Colliery, Ystrad Mynach, Caerphilly, Wales, UK
7.8km (4.8 miles) ⓘBedwellty Pits, Tredegar, Blaenau Gwent, Wales, UK
9.0km (5.6 miles) ⓘRisca Colliery (Blackvein Colliery), Risca, Caerphilly, Wales, UK
9.3km (5.8 miles) ⓘLlanbradach Colliery, Llanbradach, Caerphilly, Wales, UK
9.4km (5.8 miles) ⓘDeep Navigation Colliery, Treharris, Merthyr Tydfil, Wales, UK
9.4km (5.9 miles) ⓘBedwas Colliery, Bedwas, Caerphilly, Wales, UK
References
Ian Jones collection
 
and/or  
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